package lesson16;

public class Demo {

	public static void main(String[] args) {
		
		Person p1 = new Person("1234444321", "pass123");
		Person p2 = new Person("1234444321", "pass123");
		Person p3 = new Person("1234444321", "pass123");
		Person p4 = new Person("1234444321", "pass123");
		
		System.out.println(p1.courseName);
		System.out.println(Person.courseName);
		System.out.println(p3.courseName);
	}

}
